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fixed crash in enabling shading for polydata widgets

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This commit is contained in:
Anatoly Baksheev
2014-01-09 19:34:55 +04:00
parent e478d6b1e9
commit d591bd875b
4 changed files with 27 additions and 23 deletions
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16
modules/viz/src/precomp.hpp
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@@ -220,6 +220,22 @@ namespace cv
scalars->SetArray(color_data->val, size * 3, 0);
return scalars;
}
static vtkSmartPointer<vtkPolyData> ComputeNormals(vtkSmartPointer<vtkPolyData> polydata)
{
vtkSmartPointer<vtkPolyDataNormals> normals_generator = vtkSmartPointer<vtkPolyDataNormals>::New();
normals_generator->ComputePointNormalsOn();
normals_generator->ComputeCellNormalsOff();
normals_generator->SetFeatureAngle(0.1);
normals_generator->SetSplitting(0);
normals_generator->SetConsistency(1);
normals_generator->SetAutoOrientNormals(0);
normals_generator->SetFlipNormals(0);
normals_generator->SetNonManifoldTraversal(1);
VtkUtils::SetInputData(normals_generator, polydata);
normals_generator->Update();
return normals_generator->GetOutput();
}
};
inline vtkSmartPointer<vtkMatrix4x4> vtkmatrix(const cv::Matx44d &matrix)